What is the value of a charge that has an electric potential of 325 v and an electric potential energy of 0.025 j? a)7.7 × 10^-4 c b)7.7 × 10^-5 c c)1.3 × 10^3 cd)1.3 × 10^4 c

Vi. on another planet, a spring with constant 4.7 n/m is set up and allowed to expand verticaly freely. 8.4kg mass is placed on the spring and the spring extends 5.28m. calculate the exected extension on earth.